CHIRAL DOPANT AND IDENTIFICATION AND AUTHENTICATION USING POLYMERIC LIQUID CRYSTAL MATERIAL MARKINGS

摘要

Disclosed are chiral dopants of general formula (I) below as well as uses thereof involving chiral liquid crystal polymers and markings comprising these polymers: wherein R1, R2, R3, R4, A1 and A2, m, n, o and p are as defined in the claims.